This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A096204 #6 Dec 17 2016 10:27:01 %S A096204 1,8,384,46080,50692096,219414528,4413544464384,668622959673344 %N A096204 Maximum permanent of a Hadamard matrix of order 4n. %Y A096204 Cf. A096201, A096205, A096206. %K A096204 nonn,more %O A096204 0,2 %A A096204 _Ian Wanless_, Jul 29 2004